| 摘要 |
A variable valve lift apparatus is provided to minimize design change of the cylinder head because the variable valve lift is implemented without the location shift of cam-shaft. A variable valve lift apparatus(1) comprises a rocker arm(10), and an input cam(50), a slot-like rocker arm transferring guide(20), and a variable link(30). In one side of the rocker arm, a rocker arm roller(14) is equipped. The rocker arm shaft(15) is equipped in the lateral direction of the rocker arm roller. In the rocker arm shaft, the rocker arm body(12) which is curve-cut and is extended is downwards equipped. The rocker arm roller and rocker arm shaft are connected the rocker arm body. In the bottom part of the rocker arm body, the swing arm roller contact unit(18) which is curve-cut in the rocker arm direction of roller is equipped. In the bendable portion of the swing arm roller contact unit, it digs with the rocker arm output, protruded to the opposite direction(16) is equipped. In the rocker arm transferring guide, the rocker arm shaft is adopted. The rocker arm transferring guide the rocker arm shaft guides the swing movement to the designated angle. The variable link is equipped in the lateral direction of the rocker arm transferring guide. One side of the variable link is turned and combined with the rocker arm shaft. |
